<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="utf-8"/>
    <meta http-equiv="X-UA-Compatible" content="IE=edge"/>
    <meta name="viewport" content="width=device-width, initial-scale=1"/>
    <!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ -->
    <title>刷新datasource</title>

    <!-- Bootstrap -->
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css" rel="stylesheet"/>

    <!-- HTML5 shim 和 Respond.js 是为了让 IE8 支持 HTML5 元素和媒体查询（media queries）功能 -->
    <!-- 警告：通过 file:// 协议（就是直接将 html 页面拖拽到浏览器中）访问页面时 Respond.js 不起作用 -->
    <!--[if lt IE 9]>
    <script src="https://cdn.jsdelivr.net/npm/html5shiv@3.7.3/dist/html5shiv.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/respond.js@1.4.2/dest/respond.min.js"></script>
    <![endif]-->
</head>
<body>
<h1>你好，世界！</h1>
<select id="db">
    <option value="db_1">db_1</option>
    <option value="db_2">db_2</option>
</select>
<button id="changeDb">切换数据源</button>
<button id="query">查询</button>
<div id="areaInfo">

</div>


<!-- jQuery (Bootstrap 的所有 JavaScript 插件都依赖 jQuery，所以必须放在前边) -->
<!--<script src="https://cdn.jsdelivr.net/npm/jquery@1.12.4/dist/jquery.min.js"></script>-->
<script src="${request.contextPath}/static/js/jquery.min.js"></script>
<script src="${request.contextPath}/static/js/json2.js"></script>
<script>
    
    $(function () {
        $("#changeDb").on("click",function () {
            $.ajax({
                url:"${request.contextPath}/changeDb",
                type:"GET",
                data:{"db":$("#db").val()},
                dataType:"json",
                success:function (resp) {
                    alert(resp.flag)
                }
            });
        });
        
        
        $("#query").on("click",function () {
            $.ajax({
                url:"${request.contextPath}/area/query",
                type:"GET",
                dataType:"json",
                success:function (resp) {
                    $("#areaInfo").html(JSON.stringify(resp));
                }
            });
        });
    });
    
    
</script>
</body>
</html>